Also this does not generate an error and even returns the value you attempt to set. UnicodeDigit : Decimal digit number (Nd), Connector punctuation (Pc) . Conditional summation Can you Fog Cloud and then Misty Step away in the same round? Not much, since it's not cross-browser.

The y variable only exists inside of that if block, and no where else! Nothing in the language spec forces it, but it's not a bad idea. Name convention can be indeed the way to go, too (I do both!). But that's just for ES6… It's true.

Just another reason to be writing 'use strict' into your code. –Cory Gross Jul 21 '13 at 23:10 5 You can actually omit writable: false since that's the default. –sam Rest all browser supported. Copy all the code in the above script and paste it into the top textarea on the javascriptcompressor.com page. Also supported in Store apps (Windows 8.1 and Windows Phone 8.1).

The content you requested has been removed. What I meant was that there is no special data types ( int,string, const) in JavaScript. –Rajat May 12 '10 at 22:07 add a comment| up vote 0 down vote Check So I came up with this solution: Put everything inside an anonymous function so that way, the variables, objects, etc. So far, our decision has been to not support it.

notsup Unsupported npm ERR! These variables are strings of the four above functions and will be used by the all-dreaded eval() function to set them back to their original if any of them should be The const declaration creates a read-only reference to a value. When a developer jumps into a file to update some code, they could (and possibly should) be updating all var statements to let or const as appropriate, with proper scoping.

They're the same just as he did them, the only things I changed are the variable names and the text of the error messages. */ //object literal to hold the constants share|improve this answer edited Nov 10 '12 at 22:59 Devin Burke 9,09883671 answered Nov 10 '12 at 22:39 codemuncher 5911 take the good old var myconst = value; and share|improve this answer edited Nov 26 '14 at 15:27 answered Aug 28 '14 at 11:42 rounce 18514 add a comment| 1 2 next protected by Mr. All the considerations about the "temporal dead zone" that apply to let, also apply to const.

Players Characters don't meet the fundamental requirements for campaign Are Employers Allowed to ask if I am Job Searching? You will need to preprocess your code with something like babel or typescript to make this code run in Phantomjs. This function will check if a specific line of code is inside a given function. Still +1 for thinking a bit outside the box. –Tom Oct 26 '09 at 19:36 12 VBScript?

Can you please share the code? –thefourtheye Mar 24 '14 at 7:14 @thefourtheye check in chrome, ff is working fine. –Zaheer Ahmed Mar 24 '14 at 7:23 age = "What is your age?" As JavaScript is dynamically typed, the said assignment does not create any error. If you code using only the Good Parts, the possibility of errors is reduced drastically. Register for IBM Bluemix Click To Get Started It’s FREE!

Ugly as heck, but a good test for const support. =) –Stein G. Is a food chain without plants plausible? Of course eval() is evil, but without it, IE throws an error, preventing scripts from running. Already have an account?

You can change the error messages to whatever you want them to say. */ self._access = function(g, f) { if (typeof g !== 'string') { throw new Error('I don\'t know what share|improve this answer answered May 4 '15 at 15:50 Erik Lucio 17217 Per the link in the answer, this is an experimental feature and should be used with caution. List of reserved words : break for throw case function try catch if typeof continue in var default instanceof void delete new while do return with else switch finally this It isn’t yet a consensus feature as it has never been available on all browsers. ...

Wondering if StrongLoop supports it? If the functions have been changed, change them back using variables that are 'protected' on the inside and cannot be changed. /*Tested in: IE 9.0.8; Firefox 14.0.1; Chrome 20.0.1180.60 m; Not What to do when you've put your co-worker on spot by being impatient? Check if a file exists on a remote machine with spaces in the filename and/or path Wardogs in Modern Combat Drawing a k-ary tree using TikZ without overlap How to find

What is the best practice to do this? You can use same variable name within different function. Safari and Opera support the const keyword, but you can change the const's value.

Lost DLL Files This Jscript Runtime Error Redeclaration Of Const Property might be caused by a missing file of a certain program that's not yet fully installed or just a missing I think using IE in compatibility mode should work. Wednesday, May 20, 2015 10:26 AM Reply | Quote Answers 0 Sign in to vote Hi Arjuna, It appears to be IE specific issue. There are inherent dangers in the use of any software found on the Internet, and Microsoft cautions you to make sure that you completely understand...

To do so, simply place "use strict;" at the top of every module. Can you explain what's wrong with it? –Andrew Grimm Jul 13 at 7:47 add a comment| up vote 53 down vote ECMAScript 5 does introduce Object.defineProperty: Object.defineProperty (window,'CONSTANT',{ value : 5, share|improve this answer edited Jun 13 at 2:41 answered Jun 13 at 2:32 le_m 4,63711429 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign You call this function in your code to check if any...

But it doesn't reoccur with 7u. –faulty Jun 29 '12 at 1:36 add a comment| 2 Answers 2 active oldest votes up vote 2 down vote accepted Had the same issue Although there seems to be no impact on the application it is something rather annoying. Inherited from Error. Your cache administrator is webmaster. Statements that don't do anything. and again it took me forever to find the solution. add a comment| 11 Answers 11 active oldest votes up vote 18 down vote accepted Ctrl + Shift + ...